26531163616 has 12 divisors (see below), whose sum is σ = 52233228432. Its totient is φ = 13265581792.

The previous prime is 26531163599. The next prime is 26531163661. The reversal of 26531163616 is 61636113562.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 414549400 + ... + 414549463.

It is an arithmetic number, because the mean of its divisors is an integer number (4352769036).

Almost surely, 2^26531163616 is an apocalyptic number.

It is an amenable number.

26531163616 is a deficient number, since it is larger than the sum of its proper divisors (25702064816).

26531163616 is an equidigital number, since it uses as much as digits as its factorization.

26531163616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829098873 (or 829098865 counting only the distinct ones).

The product of its digits is 116640, while the sum is 40.

The spelling of 26531163616 in words is "twenty-six billion, five hundred thirty-one million, one hundred sixty-three thousand, six hundred sixteen".